. 2014 Sep 7;2014:398190. doi: 10.1155/2014/398190
Copyright © 2014 Lin-Fen Hsieh et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Flowchart for randomization procedure.